specifics：

Oltage: 48V - 72V

Color: Green

Model: ND72300

MPN: ND72300

Set Includes: Bluetooth Module

Country/Region of Manufacture: China

Battery Type: Lithium Ion (Li-Ion)

Part Type: Electric Controller

Suggestion:

Please compare the posted picture to your faulty unit before purchasing.
If there is any problem with receiving the goods, please do not open rutern or leave a bad review, please contact us first, we will actively solve the problem for you !

Return policy：

Before you want to return a product or give us negative feedback, please contact us immediately. We are sure to give you a satisfactory reply
Please choose from the following five reasons. The reason you choose has no impact on you or your refund amount, but it has a great impact on us as a seller. Choosing other reasons may trigger an internal investigation or an appeal to eBay, which will lead to a delay in your refund.

1) Just didn't like it

2) Doesn’t fit

3) Changed my mind

4) Ordered by mistake

5) Found a better Price